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<h1 class="topictitle1">手动执行侦测</h1>
<div id="body0000001647303838"><p id="ZH-CN_TOPIC_0000001783220022__p8060118">当您需要立即执行一次侦测任务时，可以通过手动侦测实现。</p>
<div class="section" id="ZH-CN_TOPIC_0000001783220022__section152793194419"><h4 class="sectiontitle">注意事项</h4><p id="ZH-CN_TOPIC_0000001783220022__p196131288443">对于双活域场景从端文件系统不支持智能侦测。</p>
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<div class="section" id="ZH-CN_TOPIC_0000001783220022__zh-cn_topic_0000001346322404_zh-cn_topic_0000001142022920_section348853001916"><h4 class="sectiontitle">操作步骤</h4><ol id="ZH-CN_TOPIC_0000001783220022__ol93331553183719"><li id="ZH-CN_TOPIC_0000001783220022__li18361042183716"><span>选择<span class="uicontrol" id="ZH-CN_TOPIC_0000001783220022__uicontrol11163163816356">“数据安全 &gt; 智能侦测”</span>。</span></li><li id="ZH-CN_TOPIC_0000001783220022__li98301694720"><span>选择“<span id="ZH-CN_TOPIC_0000001783220022__text7822105224219">文件系统</span>”页签。</span></li><li id="ZH-CN_TOPIC_0000001783220022__li1414511249483"><span>在某个文件系统所在行，单击<span class="menucascade" id="ZH-CN_TOPIC_0000001783220022__menucascade188171919274">“<span class="uicontrol" id="ZH-CN_TOPIC_0000001783220022__uicontrol187171942719"><span id="ZH-CN_TOPIC_0000001783220022__text0238424205218">更多</span></span> &gt; <span class="uicontrol" id="ZH-CN_TOPIC_0000001783220022__uicontrol239812204275"><span id="ZH-CN_TOPIC_0000001783220022__text18957123795220">手动侦测</span></span>”</span>。</span><p><div class="note" id="ZH-CN_TOPIC_0000001783220022__note10825550162513"><img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span><div class="notebody"><p id="ZH-CN_TOPIC_0000001783220022__p482513508257">您也可以勾选多个文件系统，单击上方的<span class="menucascade" id="ZH-CN_TOPIC_0000001783220022__menucascade5372186142612">“<span class="uicontrol" id="ZH-CN_TOPIC_0000001783220022__uicontrol937215620267"><span id="ZH-CN_TOPIC_0000001783220022__text54657263529">更多</span></span> &gt; <span class="uicontrol" id="ZH-CN_TOPIC_0000001783220022__uicontrol237226182618"><span id="ZH-CN_TOPIC_0000001783220022__text1855644125219">手动侦测</span></span>”</span>。</p>
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</p></li><li id="ZH-CN_TOPIC_0000001783220022__li1825014422406"><span>填写快照名称，如果您不设置，系统默认设置快照名称为：snapshot_<em id="ZH-CN_TOPIC_0000001783220022__i9906184164419">时间戳</em>。</span></li><li id="ZH-CN_TOPIC_0000001783220022__li0475826161716"><span><span style="color:#4D4D4D;">配置</span>快照保留策略。<span style="color:#1A1A1A;">当超过设置的快照保留时长，系统将自动删除过期的快照。</span></span></li><li id="ZH-CN_TOPIC_0000001783220022__li52696285211"><span>配置<span class="uicontrol" id="ZH-CN_TOPIC_0000001783220022__uicontrol19785484395">“<span id="ZH-CN_TOPIC_0000001783220022__text109221073011">备份副本深度侦测</span>”</span>参数。</span><p><div class="p" id="ZH-CN_TOPIC_0000001783220022__p3986165015121"><span style="background-color: yellow;"><span style="font-weight: bold">[/topic/body/section/steps/step/info/p/styler
				{""}) </span>此参数仅适用于OceanProtect专用备份存储设备的文件系统。开启后，OceanCyber 300 数据安全一体机将对备份存储中的备份副本文件进行深度解析和侦测，评估此副本文件之中的原始文件（被备份的生产存储设备上的文件）是否被感染。此功能开启可能导致整体侦测时间延长。<span style="font-weight: bold"> (styler]</span></span><div class="note" id="ZH-CN_TOPIC_0000001783220022__note0587455585"><img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span><div class="notebody"><ul id="ZH-CN_TOPIC_0000001783220022__zh-cn_topic_0000001829819617_ul16617115054712"><li id="ZH-CN_TOPIC_0000001783220022__zh-cn_topic_0000001829819617_li13617185074717">开启<span class="uicontrol" id="ZH-CN_TOPIC_0000001783220022__zh-cn_topic_0000001829819617_uicontrol1097720385913">“<span id="ZH-CN_TOPIC_0000001783220022__zh-cn_topic_0000001829819617_text797712382095">备份副本深度侦测</span>”</span>功能后，可调节备份副本侦测算法敏感度。若选择高敏感度，在数据被少量加密或类似操作时可能触发告警，因此会增加误报的风险。非特殊要求的业务场景，建议配置为“中”敏感度。</li><li id="ZH-CN_TOPIC_0000001783220022__zh-cn_topic_0000001829819617_li4617155010477">副本侦测算法敏感度的调节仅对虚拟机、数据库或Veeam针对主机文件的备份副本生效。</li></ul>
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</p></li><li id="ZH-CN_TOPIC_0000001783220022__li7581828111719"><span>配置<span class="uicontrol" id="ZH-CN_TOPIC_0000001783220022__zh-cn_topic_0000001829819617_uicontrol13661013894">“<span id="ZH-CN_TOPIC_0000001783220022__zh-cn_topic_0000001829819617_text156661312913">未感染快照锁定</span>”</span>参数。“<span id="ZH-CN_TOPIC_0000001783220022__zh-cn_topic_0000001829819617_text266111316913">未感染快照锁定</span>”参数指将未侦测到勒索文件的快照锁定。开启后未感染的快照将转为安全快照，快照过期时间会有一定延迟，在快照过期前不允许修改和删除。</span></li><li id="ZH-CN_TOPIC_0000001783220022__li11268540173812"><span>单击<span class="uicontrol" id="ZH-CN_TOPIC_0000001783220022__uicontrol1134151210407">“<span id="ZH-CN_TOPIC_0000001783220022__text069363216526">确定</span>”</span>。</span></li></ol>
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